-
Järvelin, K.; Kristensen, J.; Niemi, T.; Sormunen, E.; Keskustalo, H.: ¬A deductive data model for query expansion (1996)
0.03
0.02833872 = product of:
0.05667744 = sum of:
0.05667744 = sum of:
0.026438985 = weight(_text_:u in 2230) [ClassicSimilarity], result of:
0.026438985 = score(doc=2230,freq=2.0), product of:
0.12180101 = queryWeight, product of:
3.2744443 = idf(docFreq=4547, maxDocs=44218)
0.03719746 = queryNorm
0.21706703 = fieldWeight in 2230, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.2744443 = idf(docFreq=4547, maxDocs=44218)
0.046875 = fieldNorm(doc=2230)
0.030238453 = weight(_text_:22 in 2230) [ClassicSimilarity], result of:
0.030238453 = score(doc=2230,freq=2.0), product of:
0.13025917 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.03719746 = queryNorm
0.23214069 = fieldWeight in 2230, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.046875 = fieldNorm(doc=2230)
0.5 = coord(1/2)
- Source
- Proceedings of the 19th Annual International ACM SIGIR Conference on Research and Development in Information Retrieval (ACM SIGIR '96), Zürich, Switzerland, August 18-22, 1996. Eds.: H.P. Frei et al
- Theme
- Semantisches Umfeld in Indexierung u. Retrieval
-
Järvelin, K.; Niemi, T.: Deductive information retrieval based on classifications (1993)
0.01
0.0066097463 = product of:
0.0132194925 = sum of:
0.0132194925 = product of:
0.026438985 = sum of:
0.026438985 = weight(_text_:u in 2229) [ClassicSimilarity], result of:
0.026438985 = score(doc=2229,freq=2.0), product of:
0.12180101 = queryWeight, product of:
3.2744443 = idf(docFreq=4547, maxDocs=44218)
0.03719746 = queryNorm
0.21706703 = fieldWeight in 2229, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.2744443 = idf(docFreq=4547, maxDocs=44218)
0.046875 = fieldNorm(doc=2229)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Theme
- Semantisches Umfeld in Indexierung u. Retrieval
-
Lehtokangas, R.; Järvelin, K.: Consistency of textual expression in newspaper articles : an argument for semantically based query expansion (2001)
0.01
0.005508122 = product of:
0.011016244 = sum of:
0.011016244 = product of:
0.022032488 = sum of:
0.022032488 = weight(_text_:u in 4485) [ClassicSimilarity], result of:
0.022032488 = score(doc=4485,freq=2.0), product of:
0.12180101 = queryWeight, product of:
3.2744443 = idf(docFreq=4547, maxDocs=44218)
0.03719746 = queryNorm
0.1808892 = fieldWeight in 4485, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.2744443 = idf(docFreq=4547, maxDocs=44218)
0.0390625 = fieldNorm(doc=4485)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Theme
- Semantisches Umfeld in Indexierung u. Retrieval
-
Ingwersen, P.; Järvelin, K.: ¬The turn : integration of information seeking and retrieval in context (2005)
0.00
0.002754061 = product of:
0.005508122 = sum of:
0.005508122 = product of:
0.011016244 = sum of:
0.011016244 = weight(_text_:u in 1323) [ClassicSimilarity], result of:
0.011016244 = score(doc=1323,freq=2.0), product of:
0.12180101 = queryWeight, product of:
3.2744443 = idf(docFreq=4547, maxDocs=44218)
0.03719746 = queryNorm
0.0904446 = fieldWeight in 1323, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.2744443 = idf(docFreq=4547, maxDocs=44218)
0.01953125 = fieldNorm(doc=1323)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Theme
- Semantisches Umfeld in Indexierung u. Retrieval